IPTA Pulsar Observation Database: Observations
| Pulsar | Telescope | Receiver | Backend | Frequency (MHz) | Project | Start (UT) | Start (MJD) | Duration (min:sec) | Submitter | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| J1640+2224 | Arecibo | L-wide | ASP | 1408.85 | NANOGrav | 2011-07-16T00:55:35 | 55758.04 | 12:03 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1389.52 | NANOGrav | 2011-08-15T22:48:49 | 55788.95 | 20:05 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1395.85 | NANOGrav | 2011-09-13T20:58:45 | 55817.87 | 20:05 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1432.96 | NANOGrav | 2011-10-09T19:24:54 | 55843.81 | 20:05 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1410.07 | NANOGrav | 2011-12-17T14:39:15 | 55912.61 | 20:05 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1415.90 | NANOGrav | 2012-01-28T11:57:23 | 55954.50 | 20:05 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1414.23 | NANOGrav | 2012-03-03T09:56:12 | 55989.41 | 20:05 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1411.61 | NANOGrav | 2012-04-06T07:40:31 | 56023.32 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1405.17 | NANOGrav | 2012-05-10T05:42:43 | 56057.24 | 10:02 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1416.69 | NANOGrav | 2012-06-28T02:22:04 | 56106.10 | 20:05 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1405.73 | NANOGrav | 2012-08-01T00:11:38 | 56140.01 | 20:05 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1399.71 | NANOGrav | 2012-08-26T22:13:52 | 56165.93 | 20:05 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1421.24 | NANOGrav | 2012-10-01T19:51:31 | 56201.83 | 20:05 | kaplan | |
| J1640+2224 | Arecibo | L-wide | PUPPI | 1481.82 | NANOGrav | 2012-03-03T09:56:45 | 55989.41 | 25:37 | kaplan | |
| J1640+2224 | Arecibo | L-wide | PUPPI | 1314.93 | NANOGrav | 2012-04-06T07:33:09 | 56023.31 | 00:10 | kaplan | |
| J1640+2224 | Arecibo | L-wide | PUPPI | 1378.31 | NANOGrav | 2012-04-06T07:41:04 | 56023.32 | 10:05 | kaplan | |
| J1640+2224 | Arecibo | L-wide | PUPPI | 1237.32 | NANOGrav | 2012-05-10T05:41:53 | 56057.24 | 05:48 | kaplan | |
| J1640+2224 | Arecibo | L-wide | PUPPI | 1228.11 | NANOGrav | 2012-05-10T05:48:12 | 56057.24 | 05:07 | kaplan | |
| J1640+2224 | Arecibo | L-wide | PUPPI | 1250.53 | NANOGrav | 2012-06-28T02:13:04 | 56106.09 | 02:19 | kaplan | |
| J1640+2224 | Arecibo | L-wide | PUPPI | 1269.02 | NANOGrav | 2012-06-28T02:25:24 | 56106.10 | 20:09 | kaplan |